Cheapest priced copy (Dark Ascension): $1.79 at Card Kingdom, near mint, their price list as of .
Archangel's Light 
Sorcery · Mythic · Dark Ascension · #1
You gain 2 life for each card in your graveyard, then shuffle your graveyard into your library.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $1.79 to $3.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dark Ascension | 1 | Mythic | $1.79 | $3.49 |
2 rulings from Wizards of the Coast
- 22 January 2011Archangel’s Light isn’t put into the graveyard until after its instructions are followed. You won’t gain 2 life for it, and it won’t be shuffled into your library.
- 22 January 2011If you have no cards in your graveyard, you won’t gain any life, but you’ll still shuffle your library.